His paternity and laqab title are in doubt. In some texts he is referred as al-Hadi al-Husayn bin Ahmad; cf. R.B. Serjeant & R. Lewcock, San'a'; An Arabian Islamic City. London 1983, p. 90-1; Yehuda Nini, The Jews of the Yemen 1800-1914. Harwood 1991, pp. 46, 49, 54. A biographical entry refers to him as al-Mansur al-Hadi al-Husayn bin Muhammad bin Ibrahim bin Muhammad bin Ali bin Yahya bin Ahmad bin Muhammad bin al-Hasan; see http://www.al-aalam.com/printspecial.asp?sp=82&whichpage=1&pagesize=39Archived 2012-03-20 at the Wayback Machine (in Arabic).
His paternity and laqab title are in doubt. In some texts he is referred as al-Hadi al-Husayn bin Ahmad; cf. R.B. Serjeant & R. Lewcock, San'a'; An Arabian Islamic City. London 1983, p. 90-1; Yehuda Nini, The Jews of the Yemen 1800-1914. Harwood 1991, pp. 46, 49, 54. A biographical entry refers to him as al-Mansur al-Hadi al-Husayn bin Muhammad bin Ibrahim bin Muhammad bin Ali bin Yahya bin Ahmad bin Muhammad bin al-Hasan; see http://www.al-aalam.com/printspecial.asp?sp=82&whichpage=1&pagesize=39Archived 2012-03-20 at the Wayback Machine (in Arabic).